While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

Elevate your Bash skills with three must-know patterns for robust error handling.

How to use a Bash script for-loop for system administration in Linux Your email has been sent Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day ...

Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.